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Latest Articles

 This page lists articles as they are made live or updated.


27th Dec 2017
Joan JosaMorganite PINK URUCUM 217

18th Sep 2017
Jolyon RalphGemdat - the future!

20th Apr 2017
Ray HillCavansite a new gem material

23rd May 2016
Patricia BradyDon’t Want To Be Cheated While BuyingBlue Sapphire Stone? Consider These 4 ThingNorth Carolina, USA

25th Jan 2014
Jolyon RalphGemdat at Tucson 2014

31st Aug 2013
Riccardo Modanesi5th European Gemmological Symposium

15th May 2013
Jolyon RalphThe ICA Congress 2013, Changsha, China

5th May 2013
Jolyon RalphChangsha - ICA Congress and CGMS Show

29th Oct 2012
Jolyon RalphMunich Show 2012

20th Oct 2012
Jolyon RalphWhat's new in Gemdat.org

30th Sep 2012
Jolyon RalphKluge's Gem Classification of 1860
Jolyon RalphRobertson: Precious Stone & Gems of Scotland (1814)

10th Sep 2012
Jolyon RalphQuick visit to IJL Gemshow, London, September 2012
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